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Irreducible components of varieties of modules. (English) Zbl 1062.16019

Summary: We prove some basic results about irreducible components of varieties of modules for an arbitrary finitely generated associative algebra. Our work generalizes results of Kac and Schofield on representations of quivers, but our methods are quite different, being based on deformation theory.

MSC:

16G20 Representations of quivers and partially ordered sets
14L30 Group actions on varieties or schemes (quotients)
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